Ma Lin, Scholar Reclining and Watching Rising Clouds, 1225-1275, Cleveland Museum of Art (artwork and digital image both in the public domain)

Another major American museum has joined the growing list of institutions to adopt an Open Access policy. The Cleveland Museum of Art announced this week that it is releasing about 30,000 images of works in its collection into the public domain, effective immediately. These images have been given a Creative Commons Zero (CC0) designation, which means you can use them for anything, without a fee or permission.